The Urban Dictionary Mug

An all purpose swear word originally used by punks before made popularized by the british television show Red Dwarf dispite popular belief smegs origins did not have to do with smegma which is a crusty substance that develops underneath foreskin.

The Urban Dictionary Mug

"Smeg" was adapted for use by the crew of the popular BBC TV sitcom, Red Dwarf, and comes from the word smegma, which describes the yellowy, cheesy substance found on the end of dirty penises and grimey clits.